Discovery certificate for object 2019oon
TNS Astronomical Transient Report No. 45069 [ 2019TNSTR1609....1F ]

Date Received (UTC): 2019-08-25 12:53:37
Sender: ZTF (ALeRCE)
Source Group: ALeRCE

F. Forster on behalf of the ALeRCE broker report/s the discovery of a new astronomical transient.

IAU Designation: AT 2019oon
Discoverer internal name: ZTF18abfbsbx
Coordinates (J2000): RA = 18:18:43.298 (274.6804083) DEC = +70:50:43.91 (70.84553035)
Discovery date: 2019-08-25 07:37:39 (JD=2458720.8178125)

Potential host galaxy: LEDA 2738872

Remarks: Early SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/vue/object/ZTF18abfbsbx

Photometry

Discovery (first detection):
Discovery date: 2019-08-25 07:37:39
Flux: 20.241 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2019-08-25 07:03:16
Limiting flux: 20.4278 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2019oon